Brolga Bill's Bike Trail (BBBT)
'Twas Brolga Bill, from Rutherglen, that caught the cycling craze,
He turned away the good old wings that served him many days...

This geoart shows Brolga Bill's bike.
It is designed so you can be like Brolga Bill, and complete the trail by bike.
(and hopefully not come to the sticky end like his mate Mulga Bill)
All the puzzles are about bike riding, and can be solved with an easy online search.
The puzzle
The Tour de Rutherglen is a fantastic road cycling event taking in the best of Rutherglen's wine country while offering challenges for all sorts of fitness levels.
If you are a good rider, you can try the Three Town Challenge.
Question: What distance is the ride? (in km)

You can validate your puzzle solution with